We are not releasing the code, but if you are interested we are pleased to release the results on the datasets shown in the paper:

For different data sets, you may download them at:
http://cs.brown.edu/people/zr1/publications/cvpr2013/results/cascade_cvpr13/res_bsds300.zip

http://cs.brown.edu/people/zr1/publications/cvpr2013/results/cascade_cvpr13/res_bsds500.zip

http://cs.brown.edu/people/zr1/publications/cvpr2013/results/cascade_cvpr13/res_nyu.zip

http://cs.brown.edu/people/zr1/publications/cvpr2013/results/cascade_cvpr13/res_sbd.zip

http://cs.brown.edu/people/zr1/publications/cvpr2013/results/cascade_cvpr13/res_voc2012.zip

http://cs.brown.edu/people/zr1/publications/cvpr2013/results/cascade_cvpr13/res_msrc.zip

And the code to browse them at:
http://cs.brown.edu/people/zr1/publications/cvpr2013/results/cascade_cvpr13/code_cascade_cvpr13.zip

With a README in it.

For questions, please email Zhile Ren at jrenzhile -at- gmail.com

Thanks.